/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { createReducer, on } from '@ngrx/store';
import { DocumentVisibility, DocumentVisibilityState } from './index';
import { documentVisibilityChanged } from './document-visibility.actions';

export const initialState: DocumentVisibilityState = {
    documentVisibility: DocumentVisibility.Visible,
    changedTimestamp: Date.now()
};

export const documentVisibilityReducer = createReducer(
    initialState,
    on(documentVisibilityChanged, (state, { change }) => ({
        ...state,
        documentVisibility: change.documentVisibility,
        changedTimestamp: change.changedTimestamp
    }))
);
